Floor scrubber



FIG. 1 is a top, front and side perspective view.

FIG. 2 is a top view.

FIG. 3 is a side view.

FIG. 4 is a front view.

FIG. 5 is a rear view.

FIG. 6 is a side view; and,

FIG. 7 is bottom view. 

The ornamental design for a floor scrubber, as shown. 